Description of the 11Li(p,d)10Li transfer reaction using structure overlaps from a full three-body model

Casal, J.; Gómez-Ramos, M.; Moro, A. M.

doi:10.1016/j.physletb.2017.02.017

Cited by 31 publications

(70 citation statements)

References 40 publications

(136 reference statements)

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“…Of course, computer times do not represent a critical issue for simple calculations, as for those associated with standard DWBA calculations. However, large-scale scattering calculations [8,46] are more and more demanding in terms of computing capabilities, and the present method significantly reduces computer times.…”

Section: Discussionmentioning

confidence: 99%

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Transfer reactions with the Lagrange-mesh method

Shubhchintak

Descouvemont

2019

Phys. Rev. C

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We apply the R-matrix method in Distorted Wave Born Approximation (DWBA) calculations. The internal wave functions are expanded over a Lagrange mesh, which provides an efficient and fast technique to compute matrix elements. We first present an outline of the theory, by emphasizing the R-matrix aspects. The model is applied to the 16 O(d, p) 17 O and 12 C( 7 Li, t) 16 O reactions, typical of nucleon and of α transfer, respectively. We illustrate the sensitivity of the cross sections with respect to the R-matrix parameters, and show that an excellent convergence can be achieved with relatively small bases. We also discuss the effects of the remnant term in DWBA calculations, and address the question of the peripherality in transfer reactions. We suggest that uncertainties on spectroscopic factors could be underestimated in the literature.

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Section: Discussionmentioning

confidence: 99%

“…In particular, the development of radioactive beams led to many studies of exotic nuclei (see, for example, Ref. [8]).…”

Section: Introductionmentioning

confidence: 99%

Transfer reactions with the Lagrange-mesh method

Shubhchintak

Descouvemont

2019

Phys. Rev. C

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“…Refs. [305,306,307,308,309,310,311] for applications in halo nuclei). If the momentum transfer in the reaction is near the halo scale M halo , it should be feasible to extend the existing Halo EFT calculations to describe the corresponding reaction mechanism.…”

Section: Future Pathsmentioning

confidence: 99%

Effective field theory description of halo nuclei

Hammer

Chen

Phillips

2017

J. Phys. G: Nucl. Part. Phys.

174

238

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Abstract. Nuclear halos emerge as new degrees of freedom near the neutron and proton driplines. They consist of a core and one or a few nucleons which spend most of their time in the classically-forbidden region outside the range of the interaction. Individual nucleons inside the core are thus unresolved in the halo configuration, and the low-energy effective interactions are short-range forces between the core and the valence nucleons. Similar phenomena occur in clusters of 4 He atoms, cold atomic gases near a Feshbach resonance, and some exotic hadrons. In these weakly-bound quantum systems universal scaling laws for s-wave binding emerge that are independent of the details of the interaction. Effective field theory (EFT) exposes these correlations and permits the calculation of non-universal corrections to them due to short-distance effects, as well as the extension of these ideas to systems involving the Coulomb interaction and/or binding in higher angular-momentum channels. Halo nuclei exhibit all these features. Halo EFT, the EFT for halo nuclei, has been used to compute the properties of single-neutron, two-neutron, and single-proton halos of s-wave and p-wave type. This review summarizes these results for halo binding energies, radii, Coulomb dissociation, and radiative capture, as well as the connection of these properties to scattering parameters, thereby elucidating the universal correlations between all these observables. We also discuss how Halo EFT's encoding of the long-distance physics of halo nuclei can be used to check and extend ab initio calculations that include detailed modeling of their short-distance dynamics.arXiv:1702.08605v2 [nucl-th] 5 Nov 2017 EFT for halo nuclei 2

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“…This consists in diagonalizing the Hamiltonian in an analytical transformed harmonic oscillator (THO) basis for three-body systems. The method has been previously applied with great success to describe direct reactions induced by three-body projectiles [22,[42][43][44].…”

Section: Three-body Calculationsmentioning

confidence: 99%

Structure of 13Be probed via quasi-free scattering

et al. 2019

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We present an investigation of the structure of 13 Be obtained via a kinematically complete measurement of the (p, pn) reaction in inverse kinematics at 265 MeV/nucleon. The relative energy spectrum of 13 Be is compared to Transfer-to-the-Continuum calculations which use as structure inputs the overlaps of the 14 Be ground-state wave function, computed in a three-body model, with the unbound states of the 13 Be residual nucleus. The key role of neutron p-wave orbital in the interpretation of the low-relative-energy part of the spectrum is discussed.

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Description of the 11Li(p,d)10Li transfer reaction using structure overlaps from a full three-body model

Cited by 31 publications

References 40 publications

Transfer reactions with the Lagrange-mesh method

Transfer reactions with the Lagrange-mesh method

Effective field theory description of halo nuclei

Structure of 13Be probed via quasi-free scattering

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